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2 years ago

5

You are randomly selecting cards from a deck of cards. What is the probability of pulling a king, replacing it, and then pulling

a queen?

2 answers:

kotykmax [81]2 years ago

3 0

Answer:

1/52 since there are usually 52 cards in a deck

Step-by-step explanation:

Please brainliest

goldfiish [28.3K]2 years ago

3 0

Answer:

1/52 since there are usually 52 cards in a deck

Step-by-step explanation:

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A store is offering 40% off regular priced items. The amount of discount on an item is $6, What is the regular price of this ite

mote1985 [20]

The answer would be $15

All you need to do is multiply each one by .4 and see which one equals 6.

15 x .4 =6

Hope this helps!

6 0

1 year ago

Read 2 more answers

A dog runs 100 meters in 30 seconds. How fast is he running

matrenka [14]

Answer:

3.33 m/s

Step-by-step explanation:

Distance divided by time = speed

100/30 = 3.33 m/s

6 0

2 years ago

A leprechaun places a magic penny under a girls pillow. The next night there are 2 magic pennies under her pillow. The following

kiruha [24]

Answer:

<em>After </em><em>47</em><em> days she will have more than 90 trillion pennies.</em>

Step-by-step explanation:

At the beginning there was 1 penny. At the second day the amount of pennies under the pillow became 2.

The amount of pennies doubled each day. So the series is,

$1,2,4,8,16,32,.....$

This series is in geometric progression.

As the pennies from each of the previous days are not being stored away until more pennies magically appear so the sum of series will be,

$S_n=\dfrac{a(r^n-1)}{r-1}$

where,

a = initial term = 1,

r = common ratio = 2,

As we have find the number of days that would elapse before she has a total of more than 90 trillion, so

$\Rightarrow 90\times 10^{12}\le \dfrac{1(2^n-1)}{2-1}$

$\Rightarrow 90\times 10^{12}\le \dfrac{2^n-1}{1}$

$\Rightarrow 90\times 10^{12}\le 2^n-1$

$\Rightarrow 2^n\ge 90\times 10^{12}+1$

$\Rightarrow \log 2^n\ge \log (90\times 10^{12}+1)$

$\Rightarrow n\times \log 2\ge \log (90\times 10^{12}+1)$

$\Rightarrow n \ge \dfrac{\log (90\times 10^{12}+1)}{\log 2}$

$\Rightarrow n \ge 46.4$

$\Rightarrow n\approx 47$

8 0

2 years ago

A tv programme begins at 7:45 and ends 50 minutes later what time does it finish

faust18 [17]

Answer:

8:35

Step-by-step explanation:

7:45 + 50minutes=

8:35

7 0

3 years ago

Read 2 more answers

5 is what percent of 23

Eddi Din [679]

5 = what percent of 23

5 = x% of 23

5 = (x/100)*23

5 = 23x/100

5*100 = 23x

23x = 5*100

x = 5*100/23

x = 21.739

5 is ≈ 21.739% of 23

8 0

3 years ago